Criteria 4 4.1.2 Certificate CA Certtificate Audit 2021-22 Audit 2020-21 Audit 2019-20 Audit 2018-19 Audit 2017-18 4.3.2 Certificate Number of Computers Purchase Bill Final Stock register 4.4.1 Certificate Audit 2021-22 Audit 2020-21 Audit 2019-20 Audit 2018-19 Audit 2017-18